In this temper mill, the use of cast Semi-HSS has permitted to perform longer campaigns in comparison with the usually employed forged rolls: these new rolls are …

To determine the suitable roll material for mills of produce long products, material properties have to be adapted to the specific rolling mill conditions. The following essential points have to be taken into consideration: Roll factory conditions. type of stand; product to be rolled; mechanical demands (rolling pressure, driving torque and ...

①The cause of the roller support . Roll backing marks generally exist on rolls with small diameters that need to be supported by roll body brackets during grinding. Rolls with backing marks in cold rolling mills generally include work rolls of twenty-high mills, one middle, two middle.

July 25, 2022. Get In Touch. Cold rolling refers to the rolling method of changing the shape of the steel by extruding the steel under the pressure of the roll at room …

Particular highlights of GP's product range include work rolls in HSS and semi-HSS grades and double-poured back-up rolls with final weights of more than 200 metric tons. In addition to the manufacturing of rolls, we also offer complete after-market and consulting services, covering all aspects of the roll and its actual application in the mill.

TSR provide all kinds of hot rolling mill rolls for steel industry. Our users now cover more than 30 different countries. Our manufacturing plant covers an area of more than 300, 000 square meters, with an annual production capacity of more than 20, 000 tons of various large, medium and small rollers and roller rings, and a machining capacity ...

Duplex High Speed Steel Roll (HSS ROLL) HSS rolls working layer is a high carbon alloy steel containing Cr,Mo,W,V,Nb.The rolls have high hardness and good wear resistance. The composition and subsequent heat treatment ensure the hardness of the working layer will reach to 80/85 hsc with uniform hardness throughout the working layer. This type ...

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The centrifugal casting process allows to produce bimetallic rolls where the external layer is made in a very hard steel with optimal mechanical properties. These steels, called semi …

4 GASPARD, C. et al. Forged Semi-HSS and HSS Rolls Designed for Cold Rolling Reduction mills. 41st MWSP conf. Proc., ISS, Vol. 37, 1999. 5 GASPARD, C. et al. Current Trend For Cold Rolling Applications With HSS Rolls. 44th MWSP conf. Proc., ISS, Vol. 40, 2002. 6 GASPARD, C. et al. Use of HSS Rolls To Skip Chrome Plating in Cold Rolling ...

China Semi-steel Roll - Select 2023 Semi-steel Roll products from verified China Semi-steel Roll manufacturers, suppliers on Made-in-China.

Forged Rolls are used in such Mills and are considered premium products. The increasing expectations from customers has triggered technological changes in roll making and TAYO has responded with new products: Super Nickel Grain (SNG), High Speed Steel (HSS) and Semi High Speed Steel (Semi-HSS).

The first grade known as High Chromium Steel (HCS) is presently the most widely used alloy for such an application, while the second one known as semi-High Speed Steel (semi-HSS) is the new...

Semi HSS Cold Strip Mill Work Rolls 3%-5% Cr Forged Steel: Gas Hardened Induction Hardened ( Temper Mills Only) Spun Cast HiCr iron or HSS. Whemco Inc. Summary Flat Mill Roll Capabilities: Mill Application Grades Offered Hot Strip Mill Backup Rolls 3% - 5% Cr Mono Bloc Cast Steel

In recent years several tests have been performed with centrifugally cast bimetallic rolls as work rolls in cold rolling. This paper outlines the exciting results from cast rolls made in a special type of alloyed steel called Semi-HSS …

The roll barrel is then induction hardened and tempered to obtain a hard and wear resistant surface layer, the depth of which can be varied according to requirements by careful selection of the hardening parameters. Applications Work rolls in 4-high, 6-high mill configura-tions for cold rolling of ferrous products

Graphite steel roll. Graphite steel rolls are composed mainly of pearlite with spherical graphite and some carbide. Graphite steel rolls are stronger than cast iron rolls and harder than other steel rolls. The feature of graphite rolls that is better resistance to fire crack and scale adhesion. Chemical Composition and Physical Properties

There are two production lines of rolls in the company. One is the production line of centrifugal cast work rolls for hot strip mills and wide & heavy plate mills, which can produce all kinds of centrifugal rolls from φ400×2000mm to φ1600×10000mm, covering the material of ICDP, high chromium iron, high chromium steel, HSS, semi-HSS, with the …

9 rowsFrom hot to cold - covering a wide variety of needs. Union Electric Åkers supplies rolls to some of the world's leading aluminum mills. We were the first roll manufacturer to …

Recommended Applications -Rolls for section mills, bar mills and wire mills. -Rolls for roughing stands of hot strip mills, 2-Hi reversing plate mills. -Rolls for blooming mills, …

The roll barrel is then induction hardened and tempered to obtain a hard and wear resistant surface layer, the depth of which can be varied according to requirements by careful …

Roughing work roll Semi-HSS, HCr steel Finish rolling Early stand HCr iron, HSS Later stand ICDP, HSS Roughing & Finishing back-up roll Duplex cast steel D≤￠2000,W≤80t Alloy forged steel D≤￠2000,W≤75t: Steckel Mill Vertical roll Adamite, Special alloy cast steel All Sizes Roughing work roll ICDP, HCr iron Finishing work roll ...

Skin Pass and Temper Mill rolls for cold rolling. Finishing rolls for wire rod and strip mills. SPHEROIDAL GRAPHITE (ACCICULAR) CAST IRON ROLLS Photomicrograph (Hs 70-75 0ShC) Regd. Office : XLRI New Administrative Building, Circuit House Area (East) Jamshedpur - 831 001, India t Phone : 91 657 2231384 t Fax : 91 657 2226435 …

Cast steel mill rolls . Alloy cast steel rolls; Semi-steel roller; ... Forging mill rolls. Sort by position on the rolling mill ... bar, high-speed wire and strip hot and cold plate and strip rolling mills. The company covers an area of 100,000 square meters, including two complete production lines for cast rolls and forged steel rolls ...

Cold Mill Rolls, Work Rolls, Backup Rolls, Backup Rolls Sleeves, Induction Hardened Rolls, Rolls For Cold ... Forged Steel Rolls 2-8% Cr Forged Steel Cold Roll. 90-98 900.

FORGED HSS WORK ROLL FOR STEEL COLD ROLLING MILLS: SURVEY OF APPLICATIONS & PERFORMANCES1 Claude Gaspard2 Catherine Vergne3 Daniel …

alloy chilled cast iron roll; high chromium steel roll; graphite steel rolls; semi steel roller; alloy cast steel rolls; high speed steel roll; forged steel backup roll; forged steel intermediate roll; forged steel work rolls; Tungsten carbide roll ring. tungsten carbide roll ring; grooved tungsten carbide roll ring; roll rings for high speed ...

Forged steel rolls can be divided into forged steel hot rolls and forged steel cold rolls. Forged steel hot rolls are mainly used for hot rolling and section steel roughing rolls, and forged steel cold rolling rolls are widely used as cold rolling work rolls. Due to the high quality…

The forged steel rolls for cold mills are widely applied to work rolls, intermediate rolls and backup rolls. The good performance of Lonsun rolls thanks to the high and homogeneous hardness in the work layer with superior wear ability, high …

This paper outlines the exciting results from cast rolls made in a special type of alloyed steel called Semi-HSS used in a. In recent years several tests have been performed with centrifugally cast bimetallic rolls as work ro lls in cold rolling. This paper outlines the exciting results from cast rolls made in a special type of alloyed steel ...